transitive-js

<!doctype html> <html lang="en"> <head> <title>Code coverage report for lib/util/color.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../prettify.css" /> <link rel="stylesheet" href="../../base.css" /> <link rel="shortcut icon" type="image/x-icon" href="../../favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="../../index.html">All files</a> / <a href="index.html">lib/util</a> color.js</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> <span class="strong">0% </span> <span class="quiet">Statements</span> <span class='fraction'>0/20</span> </div> <div class='fl pad1y space-right2'> <span class="strong">0% </span> <span class="quiet">Branches</span> <span class='fraction'>0/13</span> </div> <div class='fl pad1y space-right2'> <span class="strong">0% </span> <span class="quiet">Functions</span> <span class='fraction'>0/2</span> </div> <div class='fl pad1y space-right2'> <span class="strong">0% </span> <span class="quiet">Lines</span> <span class='fraction'>0/20</span> </div> </div> <p class="quiet"> Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block. </p> </div> <div class='status-line low'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a> <a name='L2'></a><a href='#L2'>2</a> <a name='L3'></a><a href='#L3'>3</a> <a name='L4'></a><a href='#L4'>4</a> <a name='L5'></a><a href='#L5'>5</a> <a name='L6'></a><a href='#L6'>6</a> <a name='L7'></a><a href='#L7'>7</a> <a name='L8'></a><a href='#L8'>8</a> <a name='L9'></a><a href='#L9'>9</a> <a name='L10'></a><a href='#L10'>10</a> <a name='L11'></a><a href='#L11'>11</a> <a name='L12'></a><a href='#L12'>12</a> <a name='L13'></a><a href='#L13'>13</a> <a name='L14'></a><a href='#L14'>14</a> <a name='L15'></a><a href='#L15'>15</a> <a name='L16'></a><a href='#L16'>16</a> <a name='L17'></a><a href='#L17'>17</a> <a name='L18'></a><a href='#L18'>18</a> <a name='L19'></a><a href='#L19'>19</a> <a name='L20'></a><a href='#L20'>20</a> <a name='L21'></a><a href='#L21'>21</a> <a name='L22'></a><a href='#L22'>22</a> <a name='L23'></a><a href='#L23'>23</a> <a name='L24'></a><a href='#L24'>24</a> <a name='L25'></a><a href='#L25'>25</a> <a name='L26'></a><a href='#L26'>26</a> <a name='L27'></a><a href='#L27'>27</a> <a name='L28'></a><a href='#L28'>28</a> <a name='L29'></a><a href='#L29'>29</a> <a name='L30'></a><a href='#L30'>30</a> <a name='L31'></a><a href='#L31'>31</a> <a name='L32'></a><a href='#L32'>32</a> <a name='L33'></a><a href='#L33'>33</a> <a name='L34'></a><a href='#L34'>34</a> <a name='L35'></a><a href='#L35'>35</a> <a name='L36'></a><a href='#L36'>36</a> <a name='L37'></a><a href='#L37'>37</a> <a name='L38'></a><a href='#L38'>38</a></td><td class="line-coverage quiet"><span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">/** * For a provided hex color, returns an inverted color for legibility. * @param {[type]} hex - hexadecimal (HTML) color, e.g. #FFFFFF * @param {[type]} bw - whether to return only black or white as inverted color * @return {[type]} [description] */ <span class="cstat-no" title="statement not covered" >export function <span class="fstat-no" title="function not covered" >i</span>nvertColor(</span>hex, bw = <span class="branch-0 cbranch-no" title="branch not covered" >true)</span> { <span class="cstat-no" title="statement not covered" > if (hex.indexOf('#') === 0) {</span> <span class="cstat-no" title="statement not covered" > hex = hex.slice(1)</span> } // convert 3-digit hex to 6-digits. <span class="cstat-no" title="statement not covered" > if (hex.length === 3) {</span> <span class="cstat-no" title="statement not covered" > hex = hex[0] + hex[0] + hex[1] + hex[1] + hex[2] + hex[2]</span> } <span class="cstat-no" title="statement not covered" > if (hex.length !== 6) {</span> <span class="cstat-no" title="statement not covered" > console.warn('Invalid HEX color.', hex)</span> } let r = <span class="cstat-no" title="statement not covered" >parseInt(hex.slice(0, 2), 16)</span> let g = <span class="cstat-no" title="statement not covered" >parseInt(hex.slice(2, 4), 16)</span> let b = <span class="cstat-no" title="statement not covered" >parseInt(hex.slice(4, 6), 16)</span> <span class="cstat-no" title="statement not covered" > if (bw) {</span> // http://stackoverflow.com/a/3943023/112731 <span class="cstat-no" title="statement not covered" > return r * 0.299 + g * 0.587 + b * 0.114 > 186 ? '#000000' : '#FFFFFF'</span> } // invert color components <span class="cstat-no" title="statement not covered" > r = (255 - r).toString(16)</span> <span class="cstat-no" title="statement not covered" > g = (255 - g).toString(16)</span> <span class="cstat-no" title="statement not covered" > b = (255 - b).toString(16)</span> // pad each with zeros and return <span class="cstat-no" title="statement not covered" > return '#' + padZero(r) + padZero(g) + padZero(b)</span> }   <span class="cstat-no" title="statement not covered" >export function <span class="fstat-no" title="function not covered" >p</span>adZero(</span>str, len) { <span class="cstat-no" title="statement not covered" > len = len || 2</span> const zeros = <span class="cstat-no" title="statement not covered" >new Array(len).join('0')</span> <span class="cstat-no" title="statement not covered" > return (zeros + str).slice(-len)</span> }  </pre></td></tr></table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Mon May 16 2022 14:29:39 GMT+0000 (Coordinated Universal Time) </div> </div> <script src="../../prettify.js"></script> <script> window.onload = function () { prettyPrint(); }; </script> <script src="../../sorter.js"></script> <script src="../../block-navigation.js"></script> </body> </html>